Johannes Grohe (Rome) and Thomas Prügl (Vienna) have jointly headed the the Research Project “History of Church Councils” since 2008. Johannes Grohe (Biography) and Thomas Prügl (Biography) represent the editing board of is the editor of the journal Annales Historiae Conciliorum (since 2020). Thomas Prügl is also the editor (with Peter Bruns / Bamberg) of the book series Konziliengeschichte (since 2008).